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Marquise|Lab Grown|IGI

5.51ct I VS2 Marquise Lab Grown Diamond

EX • I/VS2 • IGI LG592363207

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG592363207

Diamond specifications and retailer prices

From €653 EUR
$730 USD
As of October 31, 2026
Save €2,989 EUR (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €3,642 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 5.51ct lab-grown marquise diamond

This 5.51ct lab-grown marquise sits in the over five carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG592363207 or 592363207. Listed at 16 retailers as of October 31, 2026, with prices from €653 to €3,642, a €2,989 spread on the same certified stone. MOH London lists it at €3,642. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.51
Carat
I
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592363207
Dimensions18.29 × 9.32 × 5.80 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
18.29 mm9.32 mm5.51 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG592363207
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €3,642 EUR|Low: €466 EUR|High: €5,084 EUR|Avg: €1,812 EUR|+27.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 3€584 EUR
Retailer 5€635 EUR
Retailer 7€653 EUR
Retailer 6€677 EUR
Retailer 14€1,464 EUR
Retailer 15€1,712 EUR
Retailer 11€1,714 EUR
Retailer 2€1,819 EUR
Retailer 4€1,903 EUR
Retailer 9€2,112 EUR
Retailer 16€2,244 EUR
Retailer 12€2,626 EUR
Retailer 13€2,960 EUR
Retailer 10€3,222 EUR
Retailer 8€3,384 EUR
MOH London€3,642 EUR

34 data points across 16 retailers

16 retailers€653 EUR to €3,642 EUR

Retailer 1
-
€584 EUR
$652 USD
Price last confirmed 15 days ago
Retailer 2
-
€635 EUR
$709 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
€653 EUR
$730 USD
View
Final sale: no returns
Retailer 4
-
€677 EUR
$756 USD
View
Price last confirmed 16 days ago
Retailer 5
-
€677 EUR
$756 USD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
€1,464 EUR
$1,636 USD
View
Retailer 7
-
€1,712 EUR
$1,913 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€1,714 EUR
View
B+
Retailer 9
-
€1,819 EUR
HK$15,880 HKD
View
Retailer 10
-
€1,903 EUR
$2,126 USD
View
Price last confirmed 16 days ago
B
Retailer 11
-
€2,112 EUR
$2,360 USD
View
B
Retailer 12
-
€2,244 EUR
$2,507 USD
View
Retailer 13
-
€2,626 EUR
$2,934 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
€2,960 EUR
£2,604 GBP
View
B
Retailer 15
-
€3,222 EUR
$3,600 USD
View
Most Expensive
B
MOH London
LG592363207 · Nov 1
€3,642 EUR
£3,204 GBP
View
15 more retailers have this diamond
Prices start from €653 EURSave up to €2,989 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
5.51ct Marquise
€653 EUR